<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">

      <el-form-item label="类型编码" prop="code">
        <el-input v-model="queryParams.code" placeholder="请输入类型编码" clearable/>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择类型状态" clearable>
          <el-option label="全部" value=""/>
          <el-option label="启用" value="1"/>
          <el-option label="停用" value="0"/>
        </el-select>
      </el-form-item>
      <el-form-item label="选择物料类型" label-width="100px">
        <el-cascader
          style="width: 500px"
          v-model="selectedType"
          :options="typeOptions"
          :props="{
            value: 'value',
            label: 'label',
            children: 'children',
            checkStrictly: true
          }"
          @change="handleChange"
          clearable
          @keyup.enter.native="handleQuery"
        ></el-cascader>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['storage:materialType:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['storage:materialType:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['storage:materialType:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['storage:materialType:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading"
              :data="materialTypeList"
              row-key="id"
              @selection-change="handleSelectionChange"
              :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="类型编码" align="center" prop="code"/>
      <el-table-column label="类型名称" align="center" prop="name"/>
      <!--      <el-table-column label="父类型名称" align="center" prop="parentId"/>-->
      <el-table-column label="层级" align="center" prop="level"/>
      <el-table-column label="状态" align="center" prop="status" :formatter="formatClassification"/>
      <el-table-column label="详细数据" align="center" type="expand" width="100px">
        <template #default="props">
          <ul>
            <li>备注：{{ props.row.remark }}</li>
            <li>创建时间：{{ props.row.createdAt }}，更新时间：{{ props.row.updatedAt }}</li>
          </ul>
        </template>
      </el-table-column>


      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['storage:materialType:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['storage:materialType:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改物料类型对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="类型名称" label-width="100px" prop="name">
          <el-input v-model="form.name"/>
        </el-form-item>
        <el-form-item label="类型编码" label-width="100px" prop="code">
          <el-input v-model="form.code"/>
        </el-form-item>
        <el-form-item label="父类型名称" label-width="100px" prop="parentId">
          <el-cascader
            v-model="form.parentId"
            :options="typeOptions"
            :props="{
              value:'value',
              label:'label',
              children:'children',
              checkStrictly:true
            }"
            @change="handleCascaderChange"
            style="width: 500px"
            placeholder="请选择父类型名称（默认为添加新建类型）">
          </el-cascader>
        </el-form-item>
        <el-form-item label="层级" label-width="100px" prop="level">
          <el-input v-model="form.level" disabled placeholder="默认为1级"/>
        </el-form-item>

        <el-form-item label="状态" label-width="100px" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio :label="1">启用</el-radio>
            <el-radio :label="0">停用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="备注" label-width="100px" prop="remark" type="textarea">
          <el-input v-model="form.remark"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">

        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listMaterialType,
  getMaterialType,
  delMaterialType,
  addMaterialType,
  updateMaterialType,
  getTypeOptions
} from "@/api/storage/materialType"

export default {
  name: "MaterialType",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 物料类型表格数据
      materialTypeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
      selectedType: [],
      typeOptions: []
    }
  },
  created() {
    this.getList()
    // 加载级联下拉框数据
    this.loadTypeOptions();
  },
  methods: {
    handleCascaderChange(value) {
      this.form.level = value.length + 1;
      this.form.parentId = value[value.length - 1];
    },
    // 获取最后一级的ID
    handleChange() {
      const lastLevelId = this.selectedType[this.selectedType.length - 1]
      this.queryParams.id = lastLevelId
    },
    //加载级联下拉框数据
    loadTypeOptions() {
      try {
        this.loading = true
        getTypeOptions().then(response => {
          this.typeOptions = response.data;
        })
        this.loading = false
      } catch (error) {
        this.$message.error('加载类型数据失败');
      }
    },
    // 格式化物料类型状态显示
    formatClassification(row) {
      const status = {
        1: '启用', 0: '停用'
      };
      return status[row.status] || row.status
    },
    /** 查询物料类型列表 */
    getList() {
      this.loading = true
      listMaterialType(this.queryParams).then(response => {
        this.materialTypeList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        code: null,
        name: null,
        parentId: null,
        level: null,
        status: null,
        remark: null,
        createdAt: null,
        updatedAt: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加物料类型"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getMaterialType(id).then(response => {
        this.form = response.data
        //级联选择器中绑定所选数据的值
        if (this.form.parentId != 0) {
          this.form.parentId = [this.form.parentId, this.form.id]
        } else {
          this.form.parentId = [this.form.id]
        }
        this.open = true
        this.title = "修改物料类型"
      })
    },
    /** 提交按钮 */
    submitForm() {

      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateMaterialType(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addMaterialType(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除物料类型编号为"' + ids + '"的数据项？').then(function () {
        return delMaterialType(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {
      })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('storage/materialType/export', {
        ...this.queryParams
      }, `materialType_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
